<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>多媒体</title>
</head>
<body>
<h1>你是一个超级美女</h1>
<style>
    @media screen {
       h1{ font-size:100px;}
    }
    @media print {
        body{
            text-align: center;
            background: url("../img/img_navsprites.gif");
        }
        h1{ font-size:18px}
    }

</style>
</body>
</html>